Method for Treating Water Within a Sequencing Batch Reactor, Including an In-Line Measurement of the Nitrite Concentration

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United States of America Patent

APP PUB NO 20130319938A1
SERIAL NO

13879818

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for treating water laden with nitrogen in the form of ammonium within a sequencing batch reactor, said method including: a first step of feeding said water into said sequencing batch reactor; an aerated nitritation step); an anoxic denitritation step; and a step of extracting treated water from said reactor. The method further includes an in-line measurement of the nitrite concentration of said water in said reactor, a step of measuring the pH of said water contained in said reactor, a step of determining information that is representative of the nitrous-acid (HNO2) concentration of said water contained in said reactor on the basis of said in-line measurement of the nitrite concentration and said pH measurement, and a step of controlling the duration of said aerated nitritation process in accordance with said nitrous-acid concentration.

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Patent Owner(s)

Patent OwnerAddress
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORTL'AQUARENE - 1 PLACE MONTGOLFIER SAINT MAURICE 94417

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chauzy, Julien Antony, FR 8 26
Lemaire, Romain Paris, FR 11 93
Veuillet, Frédéric Maisons Alfort, FR 1 1

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